Polished Sutured Ammonite - 4.11" Cleoniceras decade-2024 representing over 30 years and

representing over 30 years and 135 scientific missions above our planet

All other components of the necklace are sterling silver

an integral part of the four turbojet engines that allowed the Concorde to cruise above Mach 2

"Structural Analysis of Olivine in Pallasitic Meteorites: Deformation in Planetary Interiors

Each piece comes with a display case along with an informational card that serves as certificate of authenticity

Polished Sutured Ammonite - 4.11" Cleoniceras decade-2024 representing over 30 years andAmmonites are an extinct group of cephalopods that entered the fossil record 400 million years ago. This specimen is a 4. 11" polished Cleoniceras fossil from Madagascar. This particular genus of ammonite had beautiful suture patterns that cross their shells like feathered jigsaw pieces and make fantastic display pieces. A stand and informational card is included with each fossil.